code: def _gamma_negative(z):
      """Returns whether Sign(Gamma(z)) == -1."""
      return (z < 0.0) & tf.math.not_equal(
          tf.math.floormod(tf.math.floor(z), 2.0), 0.0
      )
  
file_path: probability/tensorflow_probability/python/math/hypergeometric.py
imports: import functools
  import numpy
  import tensorflow.compat.v2
  from tensorflow_probability.python.internal import dtype_util
  from tensorflow_probability.python.internal import prefer_static
  from tensorflow_probability.python.math import generic
label_desc: Use image node_id 7 for calling a global function with example usage: _gamma_negative(z) and returns: unknown